On 01/23/2018 12:37 PM, Christopher Díaz Riveros wrote:
> Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Christopher Díaz Riveros <chris...@gentoo.org>
> ---
Reviewed
On 02/26/2018 12:52 PM, Michael Bringmann wrote:
> hotplug/mobility: Recognize more changes to the associativity of
> memory blocks described by the 'ibm,dynamic-memory' and 'cpu'
> properties when processing the topology of LPARS in Post Migration
> events. Previous efforts only recognized
On 10/15/2018 05:39 PM, Michael Ellerman wrote:
> Michael Bringmann writes:
>> diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c
>> b/arch/powerpc/platforms/pseries/hotplug-memory.c
>> index 2b796da..9c76345 100644
>> --- a/arch/powerpc/platforms/pseries/hotplug-memory.c
>> +++
ation")
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/include/asm/rtas.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 71e393c..06b8dd3 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/
On 10/19/2018 03:31 AM, Christophe Leroy wrote:
> commit d7880812b359 ("idle: Add the stack canary init to
> cpu_startup_entry()") added the call to boot_init_stack_canary()
> in cpu_startup_entry() in an #ifdef CONFIG_X86 statement, with
> the intention to remove that #ifdef later.
>
> While
On 10/23/2018 01:23 PM, Breno Leitao wrote:
> Current core-pkey selftest fails if the test runs without privileges to
> write into the core pattern file (/proc/sys/kernel/core_pattern). This
> causes the test to fail and give the impression that the subsystem being
> tested is broken, when, in
On 10/30/2018 08:16 AM, Michael Ellerman wrote:
> Thiago Jung Bauermann writes:
>
>> Breno Leitao writes:
>>
>>> Hi Tyrel,
>>>
>>> On 10/23/2018 05:41 PM, Tyrel Datwyler wrote:
>>>>> --- a/tools/testing/selftests/powerpc/ptrace/core-pk
On 10/04/2018 10:10 AM, Gustavo A. R. Silva wrote:
> Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.
>
> This code was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva
Reviewed-by: Tyrel Datwyler
On 10/02/2018 11:13 AM, Michael Bringmann wrote:
>
>
> On 10/02/2018 11:04 AM, Michal Hocko wrote:
>> On Tue 02-10-18 10:14:49, Michael Bringmann wrote:
>>> On 10/02/2018 09:59 AM, Michal Hocko wrote:
On Tue 02-10-18 09:51:40, Michael Bringmann wrote:
[...]
> When the device-tree
On 10/01/2018 05:59 AM, Michael Bringmann wrote:
> powerpc/drmem: Export many of the functions of DRMEM to parse
> "ibm,dynamic-memory" and "ibm,dynamic-memory-v2" during hotplug
> operations and for Post Migration events.
>
> Also modify the DRMEM initialization code to allow it to,
>
> * Be
On 10/01/2018 05:59 AM, Michael Bringmann wrote:
> migration/memory: This patch adds a new pseries hotplug action
> for CPU and memory operations, PSERIES_HP_ELOG_ACTION_READD_MULTIPLE.
> This is a variant of the READD operation which performs the action
> upon multiple instances of the resource
On 10/01/2018 06:00 AM, Michael Bringmann wrote:
> migration/memory: This patch adds code that recognizes changes to
> the associativity of memory blocks described by the device-tree
> properties in order to drive equivalent 'hotplug' operations to
> update local and general kernel data structures
On 10/01/2018 01:27 PM, Michal Hocko wrote:
> On Mon 01-10-18 13:56:25, Michael Bringmann wrote:
>> In some LPAR migration scenarios, device-tree modifications are
>> made to the affinity of the memory in the system. For instance,
>> it may occur that memory is installed to nodes 0,3 on a source
On 10/01/2018 01:27 PM, Michal Hocko wrote:
> On Mon 01-10-18 13:56:25, Michael Bringmann wrote:
>> In some LPAR migration scenarios, device-tree modifications are
>> made to the affinity of the memory in the system. For instance,
>> it may occur that memory is installed to nodes 0,3 on a source
On 10/03/2018 06:27 AM, Michael Bringmann wrote:
> On 10/02/2018 02:45 PM, Tyrel Datwyler wrote:
>> On 10/02/2018 11:13 AM, Michael Bringmann wrote:
>>>
>>>
>>> On 10/02/2018 11:04 AM, Michal Hocko wrote:
>>>> On Tue 02-10-18 10:14:49, Michael Bring
On 09/24/2018 07:30 AM, Nathan Fontenot wrote:
> On 09/24/2018 03:56 AM, Gautham R Shenoy wrote:
>> Hi Michael,
>>
>> On Mon, Sep 24, 2018 at 05:00:42PM +1000, Michael Ellerman wrote:
>>> Nathan Fontenot writes:
On 09/18/2018 05:32 AM, Gautham R Shenoy wrote:
> Hi Nathan,
> On Tue,
24/0x490
__qdisc_run+0x20c/0x980
__dev_queue_xmit+0x1bc/0xf20
This fixes the API misuse by unampping descs[0] with dma_unmap_single.
Fixes: 6e8ab30ec677 ("ibmveth: Add scatter-gather support")
Cc: sta...@vger.kernel.org
Signed-off-by: Tyrel Datwyler
---
drivers/net/ethernet/ibm/ibmveth.c
period.
This calculation is currently done erroneously by the lparstat tool from the
powerpc-utils package. This patch exports the current timebase value after
we sample the PURRs and exposes it to userspace accounting tools via
/proc/ppc64/lparcfg.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc
have a spinlock holding the scsi host lock.
Fix this by passing GFP_ATOMIC to dma_alloc_coherent() to prevent any
sort of sleeping in atomic context deadlock.
Fixes: 4dddbc26c389 ("[SCSI] ibmvscsi: handle large scatter/gather lists")
Cc: sta...@vger.kernel.org
Signed-off-by: Tyre
-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index cb8535e..10d5e77 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
On 01/10/2019 07:07 AM, Christoph Hellwig wrote:
> On Wed, Jan 09, 2019 at 06:58:56PM -0800, Tyrel Datwyler wrote:
>> While mapping DMA for scatter list when a scsi command is queued the
>> existing call to dma_alloc_coherent() in our map_sg_data() function
>> passes z
On 01/09/2019 04:37 AM, Michael Ellerman wrote:
> Hi Bjorn,
>
> Bjorn Helgaas writes:
>> Hi,
>>
>> I want to update the PCI Kconfig labels so they're more consistent and
>> useful to users, something like the patch below. IIUC, the items
>> below are all IBM-related; please correct me if not.
On 01/10/2019 07:07 AM, Christoph Hellwig wrote:
> On Wed, Jan 09, 2019 at 06:58:56PM -0800, Tyrel Datwyler wrote:
>> While mapping DMA for scatter list when a scsi command is queued the
>> existing call to dma_alloc_coherent() in our map_sg_data() function
>> passes z
On 09/12/2018 05:36 PM, Michael Neuling wrote:
>
>>> --- a/arch/powerpc/lib/code-patching.c
>>> +++ b/arch/powerpc/lib/code-patching.c
>>> @@ -23,11 +23,33 @@
>>> #include
>>> #include
>>>
>>> +
>>
>> This blank line is not needed
>
> Ack
>
>>
>>> +static inline bool
ery CPU is either in H_JOIN or offline.
>
> To prevent this this patch disables CPU hotplug during the migration
> process.
>
> Signed-off-by: Nathan Fontenot
Reviewed-by: Tyrel Datwyler
On 12/14/2018 12:51 PM, Michael Bringmann wrote:
> This patch provides a common interface to parse ibm,drc-indexes,
> ibm,drc-names, ibm,drc-types, ibm,drc-power-domains, or ibm,drc-info.
> The generic interface arch_find_drc_match is provided which accepts
> callback functions that may be applied
On 12/14/2018 12:50 PM, Michael Bringmann wrote:
> Define interface to acquire arch-specific drc info to match against
> hotpluggable devices. The current implementation exposes several
> pseries-specific dynamic memory properties in generic kernel code.
> This patch set provides an interface to
evious parsing implementation have been moved.
>>
>> Signed-off-by: Michael Bringmann
>
> This is fine with me. Any rpaphp_core.c maintainers want to comment?
> Tyrel?
It greatly simplifies the code in rpaphp_core.c, and as far as I can tell the
refactoring maintains the exist
On 12/14/2018 12:50 PM, Michael Bringmann wrote:
> Define interface to acquire arch-specific drc info to match against
> hotpluggable devices. The current implementation exposes several
> pseries-specific dynamic memory properties in generic kernel code.
> This patch set provides an interface to
No change to functionality. Simply make transport event messages a litle
clearer, and rework CRQ format enums such that we have separate enums
for INIT messages and XPORT events.
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 8 +---
drivers/scsi/ibmvscsi/ibmvfc.h | 7
Status and error codes are returned in big endian from the VIOS. The
values are translated into a human readable format when logged, but
the values are also logged. This patch byte swaps those values so
that they are consistent between BE and LE platforms.
Signed-off-by: Tyrel Datwyler
The VIOS uses the SCSI_ERROR class to report PRLI failures. These
errors are indicated with the combination of a IBMVFC_FC_SCSI_ERROR
return status and 0x8000 error code. Add these codes to cmd_status[]
with appropriate human readable error message.
Signed-off-by: Tyrel Datwyler
---
drivers
y requests for which we never received a response. Finally,
move the removal of the scsi host from our global list to the end so
that the host is easily locatable for debugging purposes during
teardown.
Cc: # v2.6.12+
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvs
as is done similarly in the ibmvfc driver and
ipr driver.
Fixes: 32d6e4b6e4ea ("scsi: ibmvscsi: add vscsi hosts to global list_head")
Cc: # v4.10+
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/scs
e prefixing of "failed" to all error logged messages. The
ibmvfc_log_error() function translates the returned error/status
codes to a human readable message already.
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
di
When allocating the slot structure we store a pointer to the associated
device_node. We really should be incrementing the reference count, so
add an of_node_get() during slot alloc and an of_node_put() during slot
dealloc.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_slot.c | 3
, and call of_node_put() on the obtained device_node in the
add and remove paths. Also, fixup a reference leak in the find_vio_slot()
helper where we fail to call of_node_put() on the vdevice node after we
iterate over its children.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug
hlwd_irq_host = host;
> + of_node_put(np);
> break;
> }
> }
> @@ -237,4 +238,3 @@ void hlwd_quiesce(void)
>
> __hlwd_quiesce(io_base);
> }
> -
>
This line removal at the end of the patch is likely accidental, but really
should not be here. Otherwise,
Reviewed-by: Tyrel Datwyler
On 02/25/2019 01:00 AM, Himadri Pandya wrote:
> Decrement the reference count on device_node "node" while breaking out
> of the loop. Issue identified by Coccinelle.
>
> Signed-off-by: Himadri Pandya
> ---
> Changes in V2:
> - Change subject line
> ---
>
Ping? Any objections to this patch? A fix is already upstream in powerpc-utils
to utilize the timebase value if available.
-Tyrel
On 12/08/2018 03:48 PM, Tyrel Datwyler wrote:
> The Processor Utilzation of Resource Registers (PURR) provide an estimate of
> resources used by a cpu thread. S
On 02/19/2019 07:46 AM, Michael Bringmann wrote:
> powerpc/pseries: Fix dn reference error in dlpar_cpu_remove_by_index()
>
> A reference to the device node of the CPU to be removed is released
> upon successful removal of the associated CPU device. If the call
> to remove the CPU device fails,
On 01/31/2019 01:53 PM, Michael Bringmann wrote:
> On 1/30/19 11:38 PM, Michael Ellerman wrote:
>> Michael Bringmann writes:
>>> This patch is to check for cede'ed CPUs during LPM. Some extreme
>>> tests encountered a problem ehere Linux has put some threads to
>>> sleep (possibly to save energy
On 01/31/2019 02:21 PM, Tyrel Datwyler wrote:
> On 01/31/2019 01:53 PM, Michael Bringmann wrote:
>> On 1/30/19 11:38 PM, Michael Ellerman wrote:
>>> Michael Bringmann writes:
>>>> This patch is to check for cede'ed CPUs during LPM. Some extreme
>>>> t
On 03/19/2019 07:58 PM, Sam Bobroff wrote:
> Hi all,
>
> This patch set adds support for EEH recovery of hot plugged devices on pSeries
> machines. Specifically, devices discovered by PCI rescanning using
> /sys/bus/pci/rescan, which includes devices hotplugged by QEMU's device_add
> command.
Memory affintiy updates as currently implemented have proved unstable.
This patch comments out the PRRN hook for the time being while we
investigate how to either stablize the current implementation or find a
better approach.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries
the drc_index from the device_node.
This patch simplifies dlpar_cpu_readd() to take a drc_index directly and
does away with an uneccsary device_node lookup.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/include/asm/topology.h | 2 +-
arch/powerpc/mm/numa.c | 6
when its added back.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/rtasd.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 8a1746d755c9..d3aa3a056d8e 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel
On 05/20/2019 08:01 AM, Nathan Lynch wrote:
> Tyrel Datwyler writes:
>
>> On 05/16/2019 12:17 PM, Nathan Lynch wrote:
>>> Tyrel Datwyler writes:
>>>> The current dlpar_cpu_readd() takes in a cpu_id and uses that to look up
>>>> the cpus device_no
On 06/06/2019 10:04 PM, Nathan Lynch wrote:
> During post-migration device tree updates, we can oops in
> pseries_update_drconf_memory if the source device tree has an
> ibm,dynamic-memory-v2 property and the destination has a
> ibm,dynamic_memory (v1) property. The notifier processes an "update"
statement and
> make it return early so that rc is never used uninitialized in this
> function.
>
> Fixes: 035a3c4046b5 ("scsi: ibmvscsi: redo driver work thread to use enum
> action states")
> Link: https://github.com/ClangBuiltLinux/linux/issues/502
> Suggested-by: Mic
t;
> Fixes: 035a3c4046b5 ("scsi: ibmvscsi: redo driver work thread to use enum
> action states")
> Link: https://github.com/ClangBuiltLinux/linux/issues/502
> Suggested-by: Michael Ellerman
> Signed-off-by: Nathan Chancellor
Acked-by: Tyrel Datwyler
On 06/02/2019 03:15 AM, Michael Ellerman wrote:
> Hi Nathan,
>
> Nathan Chancellor writes:
>> clang warns:
>>
>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>> uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
>> case
On 06/03/2019 04:25 PM, Tyrel Datwyler wrote:
> On 06/03/2019 03:19 PM, Nathan Chancellor wrote:
>> clang warns:
>>
>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>> uninitialized whenever switch case is taken [-Wsometimes-uni
On 06/03/2019 04:34 PM, Tyrel Datwyler wrote:
> On 06/03/2019 04:25 PM, Tyrel Datwyler wrote:
>> On 06/03/2019 03:19 PM, Nathan Chancellor wrote:
>>> clang warns:
>>>
>>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>>>
lug/drc-info: Add code to search ibm,drc-info
> property")
> Suggested-by: Nick Desaulniers
> Signed-off-by: Nathan Chancellor
Acked-by: Tyrel Datwyler
On 06/05/2019 01:17 PM, Qian Cai wrote:
> At the beginning of setup_64.c, it has,
>
> #ifdef DEBUG
> #define DBG(fmt...) udbg_printf(fmt)
> #else
> #define DBG(fmt...)
> #endif
Simpler solution is just to define the debug in the else clause as such:
#define DBG(fmt...) do { } while(0)
On 06/13/2019 06:05 PM, Nathan Lynch wrote:
> Nathan Lynch writes:
>
>> Tyrel Datwyler writes:
>>
>>> Maybe we are ok with this behavior as I haven't dug deep enough into the
>>> memory
>>> subsystem here to really understand what the memory co
On 05/14/2019 07:50 AM, Aneesh Kumar K.V wrote:
> This fixes the below crash that arises due to not handling page table
> allocation
> failures while allocating hugetlb page table.
Was there supposed to be a oops stack trace attached here in the commit log?
-Tyrel
>
> Fixes: e2b3d202d1db
On 05/16/2019 12:17 PM, Nathan Lynch wrote:
> Tyrel Datwyler writes:
>> The current dlpar_cpu_readd() takes in a cpu_id and uses that to look up
>> the cpus device_node so that we can get at the ibm,my-drc-index
>> property. The only user of cpu readd is an OF notifier ca
: Tobin C. Harding
> ---
Reviewed-by: Tyrel Datwyler
From: Tyrel Datwyler
After a successful SRP login response we call scsi_unblock_requests() to
kick any pending IO's. The callback to process this SRP response happens in
a tasklet and therefore is in softirq context. The result of such is
that when blk-mq is enabled it is no longer safe to call
On 04/14/2019 08:41 PM, Sam Bobroff wrote:
> On Thu, Apr 11, 2019 at 05:55:33PM -0700, Tyrel Datwyler wrote:
>> On 03/19/2019 07:58 PM, Sam Bobroff wrote:
>>> Hi all,
>>>
>>> This patch set adds support for EEH recovery of hot plugged devices on
>>>
From: Tyrel Datwyler
The current implemenation relies on two flags in the drivers private host
structure to signal the need for a host reset or to reenable the CRQ after a
LPAR migration. This patch does away with those flags and introduces a single
action flag and defined enums
From: Tyrel Datwyler
After a successful SRP login response we call scsi_unblock_requests() to
kick any pending IO's. The callback to process this SRP response happens in
a tasklet and therefore is in softirq context. The result of such is
that when blk-mq is enabled it is no longer safe to call
From: Tyrel Datwyler
Wire up the host_reset function in our driver_template to allow a user
requested adpater reset via the host_reset sysfs attribute.
Example:
echo "adapter" > /sys/class/scsi_host/host0/host_reset
Signed-off-by: Tyrel Datwyler
---
Changes in v2:
remo
On 05/02/2019 02:43 PM, Brian King wrote:
> On 5/1/19 7:47 PM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> The current implemenation relies on two flags in the drivers private host
>> structure to signal the need for a host reset or to reenable the CR
On 05/02/2019 02:50 PM, Brian King wrote:
> On 5/1/19 7:47 PM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> Wire up the host_reset function in our driver_template to allow a user
>> requested adpater reset via the host_reset sysfs attribute.
>>
>> Exa
From: Tyrel Datwyler
Wire up the host_reset function in our driver_template to allow a user
requested adpater reset via the host_reset sysfs attribute.
Example:
echo "adapter" > /sys/class/scsi_host/host0/host_reset
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ib
From: Tyrel Datwyler
The current implemenation relies on two flags in the drivers private host
structure to signal the need for a host reset or to reenable the CRQ after a
LPAR migration. This patch does away with those flags and introduces a single
action flag and defined enums
On 07/10/2019 11:35 PM, wen.yan...@zte.com.cn wrote:
>>> we developed a coccinelle script to detect such problems.
>>
>> Would you find the implementation of the function “dt_init_idle_driver”
>> suspicious according to discussed source code search patterns?
>>
interrupts")
> Signed-off-by: YueHaibing
> ---
Reviewed-by: Tyrel Datwyler
> v2: fix compile issue by 'event_modifier'-->'modifier'
> ---
> arch/powerpc/platforms/pseries/ras.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platfor
c: cleanup_slots()
>
> Signed-off-by: Krzysztof Wilczynski
For rpa*_core.c portions,
Acked-by: Tyrel Datwyler
> ---
> drivers/pci/hotplug/cpci_hotplug_core.c | 1 -
> drivers/pci/hotplug/cpqphp_core.c | 1 -
> drivers/pci/hotplug/cpqphp_ctrl.c | 4 ---
; queue")
> Signed-off-by: Michal Suchanek
Reviewed-by: Tyrel Datwyler
> ---
> drivers/net/ethernet/ibm/ibmvnic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/ibm/ibmvnic.c
> b/drivers/net/ethernet/ibm/ibmvnic.c
&g
_ct.port_id[1] << 8) |
> ~~~
> bsg_request->rqst_data.h_ct.port_id[2];
> ~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1841:2: note: here
> case FC_BSG_RPT_CT:
> ^~~~
>
> Reported-by: Stephen Rothwell
> Signed-off-by: Gustavo A. R. Silva
> ---
Acked-by: Tyrel Datwyler
On 8/2/19 12:29 PM, Nathan Lynch wrote:
> The LPAR migration implementation and userspace-initiated cpu hotplug
> can interleave their executions like so:
>
> 1. Set cpu 7 offline via sysfs.
>
> 2. Begin a partition migration, whose implementation requires the OS
>to ensure all present cpus
point in the code path
we have quiesced the adapter and its overly paranoid anyways to be holding the
host lock.
Reported-by: Abdul Haleem
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmv
() passes over the
current int encoded value and actually stores the next one wrongly.
Simply endian swap the current value in place after reading the first
two string values. The remaining int encoded values can then be read
correctly using of_prop_next_u32().
Signed-off-by: Tyrel Datwyler
---
arch
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap were appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 26 +-
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/pci
Split physical PCI slot registration scanning into seperate routines
that support the old ibm,drc-* properties and one that supports the
new compressed ibm,drc-info property.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 89 ++-
1 file
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel
From: Tyrel Datwyler
Older firmwares provided information about Dynamic Reconfig
Connectors (DRC) through several device tree properties, namely
ibm,drc-types, ibm,drc-indexes, ibm,drc-names, and
ibm,drc-power-domains. New firmwares have the ability to present this
same information in a much
to suppport partitions with 24TB+ or possible memory this
property is required to perform platform migration.
This serious fixup the short comings of the previous implementation
in the areas of general implementation, cpu hotplug, and IOA hotplug.
Tyrel Datwyler (9):
powerpc/pseries: add cpu
nd instead
testing directly for ibm,drc-info, and then falling back to the
old style ibm,drc-indexes in the case it doesn't exit.
Fix the second by incrementing value to the next element prior to
parsing drc-info entries.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/pseries_ene
for the ibm,drc-info
property, and falling back to the older ibm,drc-* properties if it
doesn't exist.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug
ot; pointer to point at the first
element of the first drc-info entry prior.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index 18627bb..e350264 1006
-start-index.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index eabc0c51..5327606 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
ting value to the next element prior to
parsing drc-info entries.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/pseries_energy.c | 23 ++-
1 file changed, 10 insertions(+), 13 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c
b/ar
this entries
drc-start-index.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index 129534c..951f7f2 100644
--- a/drivers/pci/hotplug
e pointing at the first element of an entry.
Fix up by incrementing the "value" pointer to point at the first
element of the first drc-info entry prior.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a
, tfalcon)
Patch 3: added comment regarding indexing of drc values (tfalcon)
split drc-index and drc-info logic into multiple
functions for collecting cpu drc's for dlpar (mpe)
Patch 7: fix up a couple more sparse warnings (mpe)
Tyrel Datwyler (9
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap where appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 29 +++--
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers
Split physical PCI slot registration scanning into separate routines
that support the old ibm,drc-* properties and one that supports the
new compressed ibm,drc-info property.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 89 ++-
1 file
-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 127 +++
1 file changed, 112 insertions(+), 15 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c
b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index bbda646..967c5e1 100644
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap where appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 29 +++--
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers
by checking explicitly for the ibm,drc-info
property, and falling back to the older ibm,drc-* properties if it
doesn't exist.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Fixes: c7a3275e0f9e ("powerpc/pseries: Revert support for ibm,drc-info devtree
property")
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file
() passes over the
current int encoded value and actually stores the next one wrongly.
Simply endian swap the current value in place after reading the first
two string values. The remaining int encoded values can then be read
correctly using of_prop_next_u32().
Signed-off-by: Tyrel Datwyler
---
arch
On 11/5/19 8:55 AM, Thomas Falcon wrote:
>
> On 11/5/19 9:24 AM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> Older firmwares provided information about Dynamic Reconfig
>> Connectors (DRC) through several device tree properties, namely
>> ibm,drc-t
On 11/5/19 9:03 AM, Thomas Falcon wrote:
>
> On 11/5/19 9:24 AM, Tyrel Datwyler wrote:
>
> Hi, just pointing out a few typos...
Damn, I thought I squashed them all the second time around.
>> There was a previous effort to add support for the PAPR
>> architect
On 10/1/19 1:02 PM, Bjorn Helgaas wrote:
> On Tue, Oct 01, 2019 at 01:12:05AM -0500, Tyrel Datwyler wrote:
>> There was an initial previous effort yo add support for the PAPR
>> architected ibm,drc-info property. This property provides a more
>> memory compact representation o
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